Home / 2,791,140.92-4,187,551.85-871,974.61

Finding the Fourth Proportional to 2,791,140.92, 4,187,551.85 and 871,974.61

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Solution

The fourth proportional to 2,791,140.92, 4,187,551.85 and 871,974.61 is: 1,308,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,140.92 : 4,187,551.85 = 871,974.61 : x
  2. Step 2: Convert to fraction form
    2,791,140.92/4,187,551.85 = 871,974.61/x
  3. Step 3: Cross multiply
    2,791,140.92x = 4,187,551.85 × 871,974.61
  4. Step 4: Simplify right side
    2,791,140.92x = 3,651,438,891,258.53
  5. Step 5: Solve for x
    x = 3,651,438,891,258.53/2,791,140.92
  6. Step 6: Final answer
    x = 1,308,224.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.